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Complete the following table

Country A 1.3% per year, T doubling time

Country B 50 years, % per year

A: 1.013^x = 2

x = log2/log1.013 = ___ years

B: If you mean it doubles in 50 years, then
(1+r/100)^50 = 2
solve for r%

Did you know?

Did you know that the rate of population growth can have significant implications for the future? Take, for example, Country A, where the population is growing at a rate of 1.3% per year. In this scenario, the "T doubling time" refers to the number of years it would take for the population to double if the growth rate remains constant. On the other hand, consider Country B, where the doubling time is set at 50 years. Although the percentage per year is not specified, this significantly longer doubling time suggests either a slower population growth rate or a larger starting population. Understanding these figures can help us assess the demographic trends in different countries and forecast the challenges and opportunities that lie ahead.